<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
<div>
  <div id="app">
    {{message}}
  </div>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
var app = new Vue({
  el: '#app',
  data: {
    message: 'Hello==++ 11Vue2!'
  },
})
</script>
</body>
</html>